Home / 230,119.20-345,308.40-89,859.60

Finding the Fourth Proportional to 230,119.20, 345,308.40 and 89,859.60

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Solution

The fourth proportional to 230,119.20, 345,308.40 and 89,859.60 is: 134,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,119.20 : 345,308.40 = 89,859.60 : x
  2. Step 2: Convert to fraction form
    230,119.20/345,308.40 = 89,859.60/x
  3. Step 3: Cross multiply
    230,119.20x = 345,308.40 × 89,859.60
  4. Step 4: Simplify right side
    230,119.20x = 31,029,274,700.64
  5. Step 5: Solve for x
    x = 31,029,274,700.64/230,119.20
  6. Step 6: Final answer
    x = 134,840.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.